diff --git a/data/game.ini b/data/game.ini
index a5356b5..9337654 100644
--- a/data/game.ini
+++ b/data/game.ini
@@ -1,5 +1,5 @@
 title=Cacaus Arcade
 config=cacaus_arcade
-width=576
-height=288
+width=256
+height=192
 zoom=3
diff --git a/data/game.lua b/data/game.lua
index aa820d8..b6d8bd5 100644
--- a/data/game.lua
+++ b/data/game.lua
@@ -45,9 +45,9 @@ function render_view ( hab, x ,y )
 
 	surf.source(map_buffer)
 	surf.target(0)
-	print(hab)
-	viewp.roomXY(hab)
-	draw.surf(viewp.x,viewp.y,viewp.width,viewp.height,0,0,viewp.width,viewp.height)
+	local vrx, vry = viewp:roomXY(hab)
+	print(hab.." "..vrx.." "..vry)
+	draw.surf(viewp.x-vrx,viewp.y-vry,viewp.width,viewp.height,0,0,viewp.width,viewp.height)
 
 	surf.source(curr_ssurf)
 	surf.source(curr_tsurf)
diff --git a/data/main.lua b/data/main.lua
index 690107a..56c23a3 100644
--- a/data/main.lua
+++ b/data/main.lua
@@ -16,8 +16,6 @@ function mini.init()
 	-- buffer per a 3x3 habitacions
 	local map_buffer_width  = 3*mapa_room_cols*arcade_config.tiles_width
 	local map_buffer_height = 3*mapa_room_rows*arcade_config.tiles_height
- 	local map_buffer_width  = 1024
-	local map_buffer_height = 1024
 	map_buffer=surf.new(map_buffer_width, map_buffer_height)
     fade.init()
 
diff --git a/data/viewport.lua b/data/viewport.lua
index 8b0b166..e81b5bc 100644
--- a/data/viewport.lua
+++ b/data/viewport.lua
@@ -11,7 +11,7 @@ function viewport.new()
 			 position=viewport.position,
 			 print=viewport.print,
 			 room=viewport.coord2room,
-             roomXY=viewport.room2coord }
+             roomXY= viewport.room2coord } 
 end
 
 
@@ -29,20 +29,21 @@ function viewport:coord2room ()
 	return calc_room
 end
 
-function viewport:room2coord ( room )
+function viewport:room2coord ( _room )
 	local tw = arcade_config.tiles_width
 	local th = arcade_config.tiles_height
 	local cols = mapa_room_cols
 	local rows = mapa_room_rows
 	local rooms_per_floor = mapa_rooms_per_piso
 	
-	local x = (room % rooms_per_floor) * cols * tw
-	local y = math.floor(room/rooms_per_floor) * rows * th
+	local x = (_room % rooms_per_floor) * cols * tw
+	local y = math.floor(_room/rooms_per_floor) * rows * th
 	
 	local room_center_x_offset = (cols * tw) >> 1
 	local room_center_y_offset = (rows * th) >> 1
 	
-	return x+room_center_x_offset, y+room_center_y_offset
+	-- return x+room_center_x_offset, y+room_center_y_offset
+	return x, y
 end
 
 function viewport:position(x, y)